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References
1. Kettle C, Tohill S. Perineal care. BMJ Clin Evid. 2011 Apr 11;2011:1401.
2. Sultan AH, Thakar R, Fenner DE, editors. Perineal and anal sphincter trauma: diagnosis
and clinical management. London: Springer; 2007.
3. Royal College of Obstetrics and Gynaecology. Management of third- and fourth-
degree perineal tears. Green-top guideline number 29 2015. Available from:
https://www.rcog.org.uk/globalassets/documents/guidelines/gtg-29.pdf
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